Cal-Water Service Co.-Chico
Drinking water quality, contact, and Consumer Confidence Report
Serving 3 cities in CA · PWSID CA0410002
Cal-Water Service Co.-Chico serves 111,142 people. See EPA records and contact info below.
- People served
- 111,142
- Last EPA sample
- 2025-07-02
- PFAS
- Not detected above guidelines
- Health-based violations since 2020
- 0
Data sources: EPA SDWIS, Cal-Water Service Co.-Chico's published Consumer Confidence Report, and compliance monitoring reported to EPA by CA State Water Resources Control Board, Div. of Drinking Water.
This page summarizes publicly available EPA and CCR records. For health decisions about your water, consult your utility or a licensed professional.
Official Cal-Water Service Co.-Chico Resources
Help Paying Your Cal-Water Service Co.-Chico Water Bill
- Ask Cal-Water Service Co.-Chico about payment plans and assistance.
- Call 211 to reach local help with utility bills.Verified from 211.org
- Find your local Community Action Agency.Verified from communityactionpartnership.com
- The federal water-bill program (LIHWAP) ended in March 2024.Verified from acf.govVerified from csd.ca.gov
Programs that may apply to Cal-Water Service Co.-Chico customers
- Customer Assistance Program (CAP)Bill discount from California Water Service Company.Customers who meet its rules may qualify.Verified from calwater.com
Shutoff protections
- Water Shutoff Protection Act (SB 998), Health & Safety Code §116900 et seq.Shutoff protection from California Legislature (enforced by the State Water Resources Control Board).Verified from leginfo.legislature.ca.gov
Water outage or no water?
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in California
Cal-Water Service Co.-Chico Service Area
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This map shows the approximate service area for Cal-Water Service Co.-Chico. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.
Cal-Water Service Co.-Chico Water Quality Grade
Not graded: Monitor
Cal-Water Service Co.-Chico reads Monitor. A letter grade is given only beside a Safe verdict.
Is Cal-Water Service Co.-Chico Water Safe to Drink?
Cal-Water Service Co.-Chico has reported 3 contaminants above EPA's legal limit (MCL, enforceable from April 26, 2029) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.
This utility serves 111,142 people across 3 cities in CA. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.
Get your water independently tested in California →How does California water quality rank nationally? →
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in California
Learn more about the contaminants detected in Cal-Water Service Co.-Chico:
Fluoride in Cal-Water Service Co.-Chico Water
Cal-Water Service Co.-Chico
PWSID CA0410002
Fluoride was detected in 20.0% of Cal-Water Service Co.-Chico's samples (median below the detection limit).
Cal-Water Service Co.-Chico Service Area
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Cal-Water Service Co.-Chico Contact & Information
Phone
Mailing Address
B2B Contact Data
B2B Contact Data Available
Contacts for Cal-Water Service Co.-Chico
| Name | Title | Phone | |
|---|---|---|---|
| J████ S████ | Water Treatment Supervisor | (555) ███-████ | j████@city████.gov |
| M████ J██████ | Utility Director | (555) ███-████ | m████@water████.org |
Water Sources & Treatment
Water Sources
Treatment Methods
Disinfectant Used
hypochlorite
Cal-Water Service Co.-Chico Consumer Confidence Report
A Consumer Confidence Report (CCR) is the EPA-mandated annual water-quality report every community water system must publish by July 1 each year (Safe Drinking Water Act §1414(c)(4)). It summarizes contaminants tested, MCL and MCLG comparisons, and any system violations from the prior calendar year.
A current CCR for Cal-Water Service Co.-Chico has not been published or validated on TapWaterData yet.
Residents: contact the utility directly using the phone number above, or check the EPA’s national CCR portal. Reports are typically distributed by mail or posted on the utility’s official website.
Cal-Water Service Co.-Chico Annual Water Quality Reports
Historical reports are being compiled. Check back soon for archived water quality data.
What is a CCR? The Consumer Confidence Report (CCR) is an annual water quality report that water utilities are required by the EPA to provide to customers. It contains information about your water source, detected contaminants, and compliance status.
EPA Health-Based Violations Since 2020
Cal-Water Service Co.-Chico has no health-based EPA violation since 2020 (EPA data as of Q2 2026).
EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Concerned about what's in your water?
You're viewing 3 contaminants above health-based guidelines here. Your own tap water can differ — upload your test (PDF or a photo) and we'll email a full plain-English reading of every number, free.
Your upload also helps us keep local water data accurate — we only ever share anonymized, area-level summaries.
Upload my testRecommended Water Filters for Cal-Water Service Co.-Chico
Based on water quality data from cities served by Cal-Water Service Co.-Chico, we recommend NSF-certified filters that can remove contaminants above health guidelines.
Frequently Asked Questions about Cal-Water Service Co.-Chico
Is Cal-Water Service Co.-Chico water safe to drink?
Does Cal-Water Service Co.-Chico have PFAS in its water?
How do I pay my Cal-Water Service Co.-Chico water bill?
How many people does Cal-Water Service Co.-Chico serve?
What cities does Cal-Water Service Co.-Chico serve?
Does Cal-Water Service Co.-Chico have any EPA violations?
What is Cal-Water Service Co.-Chico's phone number?
Where can I find Cal-Water Service Co.-Chico's Consumer Confidence Report?
Similar water utilities in California
How we built this page
Water-quality and contact data on this page comes from public federal and state records. We update each utility's record whenever its underlying source publishes new data — typically within days of an EPA SDWIS refresh.
- Contaminants & violations: EPA Safe Drinking Water Information System (SDWIS) plus the Unregulated Contaminant Monitoring Rule (UCMR-5) for PFAS and emerging contaminants.
- Annual reports: Cal-Water Service Co.-Chico's most recent published Consumer Confidence Report (CCR), where available.
- Service area & contact: EPA SDWIS. The compliance records it holds for this system are reported to EPA by CA State Water Resources Control Board, Div. of Drinking Water, the state's drinking-water primacy agency.
Spotted a data issue? Use the Spotted something off? link at the bottom of the page — corrections feed back into the next data refresh. Learn more about TapWaterData.
Are you Cal-Water Service Co.-Chico? Publish your 2027 CCR
TapWaterData runs a free CCR publishing service for community water systems. Claim this listing to publish your Consumer Confidence Report here — it inherits this page's search authority and reaches every customer who Googles Cal-Water Service Co.-Chico.
- EPA-compliant distribution. Satisfies the 2027 Revised CCR Rule direct-URL requirement with an auditable archive.
- Publish once a year. Agent-assisted workflow; no login setup for small systems.
- Inherits this page's reach. Your published CCR appears directly on the page customers already find on Google.
Free for operators. No card required. Typical setup: 5 minutes.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach Cal-Water Service Co.-Chico. For a problem with your water now (discolored water, no water, low pressure, a leak), contact Cal-Water Service Co.-Chico directly.
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